16756456243420 has 36 divisors (see below), whose sum is σ = 36443798032824. Its totient is φ = 6471458956480.

The previous prime is 16756456243411. The next prime is 16756456243421. The reversal of 16756456243420 is 2434265465761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16756456243421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498094246 + ... + 498127885.

It is an arithmetic number, because the mean of its divisors is an integer number (1012327723134).

Almost surely, 2^{16756456243420} is an apocalyptic number.

16756456243420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16756456243420 is an abundant number, since it is smaller than the sum of its proper divisors (19687341789404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16756456243420 is a wasteful number, since it uses less digits than its factorization.

16756456243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996222198 (or 996222167 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 16756456243420 in words is "sixteen trillion, seven hundred fifty-six billion, four hundred fifty-six million, two hundred forty-three thousand, four hundred twenty".